The JBX01250 40GBASE-PLRL4 QSFP+ transceiver represents a premium solution for enterprise and data center networking applications requiring high-speed, reliable connectivity. This optical transceiver module delivers exceptional performance with 40GB data rates, making it ideal for backbone infrastructure and high-bandwidth applications. **Key Technical Features:** This QSFP+ module operates over singlemode fiber (9/125 core) with a transmission distance of 1.4km, utilizing industry-standard MTP/MPO connectors for simplified installation and management. The 1310nm wavelength ensures optimal performance for extended-reach applications while maintaining signal integrity. **Performance & Compatibility:** Fully qualified to IEEE 802.3ba specifications, the JBX01250 provides direct compatibility with Cisco QSFP-4X10G-LRL-S systems, ensuring plug-and-play deployment without firmware modifications. Its standardized SFF-8436 form factor fits seamlessly into existing QSFP+ ports. **Build Quality & Safety:** Crafted with precision-engineered metal housing and advanced laser transmitter technology, this transceiver delivers durability and reliability. Comprehensive safety certifications including Class 1 Laser designation, FDA 21CFR 1040.10 compliance, and TUV approval ensure safe operation in professional environments. RoHS and ELV directive compliance reflect environmental responsibility. **Operational Specifications:** Operating reliably between 0-70°C, the module maintains consistent performance across diverse environmental conditions. Custom brand programming is available for white-label applications. **Warranty & Support:** Backed by a 90-day limited warranty, plus complimentary standard shipping on orders exceeding $99. Ships from US locations (Danville, CA and Beaufort, SC) for expedited delivery. The JBX01250 is the ideal choice for organizations seeking cost-effective, compatible 40GB optical connectivity for data center upgrades, network expansion, or equipment replacement initiatives.